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| <h4 class="subsection">9.12.1 Notes</h4> |
| |
| <p>The ESA/390 <code>as</code> port is currently intended to be a back-end |
| for the <span class="sc">gnu</span> <span class="sc">cc</span> compiler. It is not HLASM compatible, although |
| it does support a subset of some of the HLASM directives. The only |
| supported binary file format is ELF; none of the usual MVS/VM/OE/USS |
| object file formats, such as ESD or XSD, are supported. |
| |
| <p>When used with the <span class="sc">gnu</span> <span class="sc">cc</span> compiler, the ESA/390 <code>as</code> |
| will produce correct, fully relocated, functional binaries, and has been |
| used to compile and execute large projects. However, many aspects should |
| still be considered experimental; these include shared library support, |
| dynamically loadable objects, and any relocation other than the 31-bit |
| relocation. |
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